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Spider's Catapult Trap Snags Ants with Extreme Force!
23 Jun
Summary
- A new spider species uses a silk catapult trap.
- The trap launches ants with extreme g-forces.
- This hunting method targets aggressive green tree ants.
A remarkable new spider species has been discovered in the remote rainforests of northern Australia. This arachnid has evolved an astonishing hunting technique, weaving a specialized silk trap that functions like a catapult.
The nocturnal predator targets aggressive green tree ants, a notoriously dangerous prey for spiders. The silk snare is designed with exceptional power, launching ants into a larger web at forces 15 times the most extreme experienced by jet pilots. Scientists have nicknamed the spider "ballista" after the ancient weapon.
Researchers from Macquarie University documented this behavior over ten nights using high-speed cameras in Queensland's tropical rainforests. They observed the spider creating a cone-shaped scaffold of tension lines, which, when triggered by an ant's bite, springs the prey into the spider's main web.
This unique mechanism allows the ballista spider to isolate and capture hazardous prey one at a time. It also enables the spider to transport the ants a safe distance away from ant trails and nests, mitigating risks associated with their chemical defenses and colony recruitment.
